Answer:
YOU FOR GOT THE OPTION INEED IT HEHE
It is known as the opening statement
The Cretaceous–Paleogene (K–Pg) extinction event (also known as the Cretaceous–Tertiary (K–T) extinction) was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.
Leprosy is a good example of a ring-like skin lesion
